I need to build a submarine that will rest at the top of the water, sink, and then refloat to the top. I have to use things from home and it can't be asprin, medical supplies, cleaning material or water baloons.
Any suggestions on how to get something to float, sink, and refloat?
Thank you for any suggestions.
submarine science project
Moderator: berkeleywebs
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I found this site on google.com: http://www.spartechsoftware.com/reeko/E ... PenCap.htm
It should help.
Good Luck
It should help.
Good Luck
Benjamin Pollack
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